Adjustable lamp



FIG. 1 is a front elevational view of an adjustable lamp showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image of FIG. 2;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof with the adjustable lamp sections in pivotally moved positions; and

FIG. 6 is a perspective view thereof with the adjustable lamp sections in other pivotally moved positions and the adjustable lamp shade of the uppermost adjustable lamp section in a rotationally moved position. 

The ornamental design for an adjustable lamp, as shown and described. 